Handheld Tattoo Device Magnetic Coupling Hygiene
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Solution Overview
Problem
Existing handheld devices for tattooing and medical applications face challenges in maintaining hygiene due to the risk of soiling from body fluids and paint on the handle, particularly with complex protective covers that are prone to damage during needle module changes.
Innovation Solution
A hand-held device with a form-fitting and/or magnetic coupling system for connecting the needle module to the handle, featuring a protective cover that is releasably held between coupling elements, ensuring a simple and secure arrangement that minimizes the risk of damage during frequent needle changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a protective cover is used to separate the needle module from the handle, then hygiene is improved by preventing contamination of the handle with body fluids and paint, but the device complexity increases due to the complicated arrangement between the needle module, handle, and protective cover
Solution Approach 1:
The protective cover is divided into a first protective cover portion and a second protective cover portion that can be separately attached to the handle and needle module. This segmentation simplifies the overall arrangement by allowing independent attachment of each portion to respective components, reducing the complexity of coordinating multiple parts simultaneously while maintaining complete protection of the handle from contamination.
Solution Approach 2:
The first protective cover portion is pre-attached to the handle before use, and the second protective cover portion is pre-attached to the needle module. This preliminary attachment simplifies the assembly process and reduces the complexity of coordinating multiple parts during operation, as the protective cover components are already in place and ready for use.
2Object-affected harmful factors
If a protective cover is used to prevent contamination, then hygiene is improved, but the reliability decreases because the protective cover is prone to damage during needle module changes
Solution Approach 1:
The protective cover is segmented into two separate portions that can be independently attached and detached. This segmentation reduces the risk of damage during needle module changes because each portion can be handled separately, and the second portion remains attached to the needle module as a protective element during the change process, preventing contamination while allowing safe module replacement.
Solution Approach 2:
The second protective cover portion is attached to the needle module in advance, serving as a pre-prepared protective element. During needle module changes, this pre-attached portion protects the needle module interface and prevents contamination, cushioning against potential damage or contamination risks that could occur during the replacement process.
3Object-affected harmful factors
If the protective cover is arranged between the needle module and handle, then hygiene is improved, but the ease of operation decreases due to the risk of damage during frequent needle changes
Solution Approach 1:
The protective cover is divided into two portions that can be independently manipulated. The first portion remains on the handle while the second portion stays attached to the needle module during changes. This segmentation makes needle module changes easier and safer, as the second protective portion acts as a guide and protector during the replacement process, reducing the risk of damage while maintaining hygiene.
Solution Approach 2:
The second protective cover portion attached to the needle module serves as an intermediary element during the replacement process. It facilitates the safe detachment and attachment of needle modules by providing a protective interface, making the operation easier and safer while preventing contamination of the handle.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The magnetic coupling system allows for easy and secure attachment and detachment of the protective cover, preventing damage and maintaining hygiene by keeping the handle clean from body fluids and paint, even during frequent needle changes.
Implementation Method 1
connecting the needle to the drive via a positive-locking and/or magnetic coupling. The coupling elements are connected, and the protective cover between the coupling elements is held detachably. A magnetic component is particularly preferred in the invention. Coupling.
Data Source
AI summary
The invention relates to a hand-held device particularly for tattooing, comprising a handle part (2) with a drive (4), a needle module (3) which is detachably secured to said handle part (2) and comprises a needle (13) that can be moved back and forth by means of said drive (4), and a protective sleeve (33) which fully separates the needle module (3) from the handle part (2). The needle (13) is connected to the drive (4) by means of a form-fitting and/or magnetic coupling comprising coupling elements (19, 22), and the protective sleeve (33) is held releasably between the coupling elements (19, 22).